My own build its a 450 cfm vacuum two 35 gallon vacuum drums with pumps pushing the wash water through oilphylic socks and 400 sqft of pleated cartridge filters.
Sanitary sewer after running through my filter system to remove solids and hydrocarbons. dump solids in bag for property owner to dispose of in his dumpster.
That thing didnt miss a drop very nice can you post pics for us reclaim wanna bees.I can use one but dont really know how much room the whole thing takes up.
Nigel 185 degrees 2000 psi 5gpm 15 degree nozzles. you dont need 300 degrees to deep clean oil out of concrete. the proof is right in the video for anyone to see. the shop floor had not been cleaned since it was poured over ten years ago.